Editor’s note: This article has been updated to correct the height of the spillway. A group of south Boulder residents is asking the state’s highest court to hear its case against Boulder for how the ...

The Supreme Court granted fossil fuel companies’ appeal of Boulder’s climate case and requested briefing on threshold ...

The petition asks the state’s highest court to review whether Boulder can use stormwater utility fees to pay for the project, which is expected to protect about 2,300 residents from flooding.

Boulder prepares to launch a $76.5 million flood mitigation project, aiming to enhance safety and resilience for southeast residents.

While Denver’s rain forecasts have diminished, converging tropical storm systems are still on track to douse southern Colorado with heavy, flooding rain through Thursday morning, forecasters said.

The city of Boulder has announced that it plans to begin construction on its South Boulder Creek Flood Mitigation project at CU Boulder South in about six weeks. The 2021 annexation of CU Boulder ...

Heavy rain falling across Colorado’s Front Range could cause flash flooding in the southeast metro area on Tuesday evening, including in parts of Douglas and Arapahoe counties, National Weather ...

CU Boulder South is closed for three to five years as flood mitigation work begins. City leaders say it will protect thousands from flooding, while some fear permanent environmental impacts.

The city and county of Boulder, Colorado want ExxonMobil and Suncor energy to pay for certain costs related to fires and floods.